<template>
  <el-select @change="changeChannel" :value="value" placeholder="请选择" clearable>
    <el-option v-for="item in channelOptions" :key="item.id" :label="item.name" :value="item.id"></el-option>
  </el-select>
</template>

<script>
export default {
  name: "my-channel",
  props: ['value'],
  data () {
      return {
          channelOptions: []
      }
  },
  created () {
      this.getChannelOptions()
  },
  methods: {
      changeChannel (value) {
      if (value === '') value = null
      this.$emit('input',value)
    },
    //获取频道数据
    async getChannelOptions() {
      const res = await this.$http.get("channels");
      this.channelOptions = res.data.data.channels;
    },
  }
};
</script>

<style scoped lang='less'></style>